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The Forster resonant energy transfer mechanism (FRET) is investigated in optically driven and electrically gated tunnel coupled quantum dot molecules. Two novel FRET induced optical signatures are found in the dressed excitonic spectrum.…

介观与纳米尺度物理 · 物理学 2009-06-18 Juan E. Rolon , Sergio E. Ulloa

Over the past 15 years there has been an ongoing debate regarding the influence of the photonic environment on Forster resonance energy transfer (FRET). Disparate results corresponding to enhancement, suppression and null effect of the…

光学 · 物理学 2018-08-15 Cristian L. Cortes , Zubin Jacob

In the view of the applications of Forster resonant energy transfer (FRET) in biological systems which especially require FRET in the inrared region we investigate the great advantage of graphene plasmonics in such studies. Focusing on the…

介观与纳米尺度物理 · 物理学 2015-06-17 Svend-Age Biehs , Girish S. Agarwal

Recent advances in Fluorescence Resonance Energy Transfer (FRET) provides a way to measure and understand different biological systems and molecular interactions in nanometer order. In this report the introduction and principle of the FRET…

综合物理 · 物理学 2009-08-14 Syed Arshad Hussain

Here we report on the experimental details of a study on the influence of the photonic environment on the emission of a FRET system. We modified the local density of optical states (LDOS) by placing the FRET system at precisely defined…

化学物理 · 物理学 2012-11-26 Niels Zijlstra , Allard P. Mosk , Willem L. Vos , Vinod Subramaniam , Christian Blum

We study the F\"orster resonant energy transfer (FRET) rate in multichromophoric systems. The multichromophoric FRET rate is determined by the overlap integral of the donor's emission and acceptor's absorption spectra, which are obtained…

生物物理 · 物理学 2015-06-19 Jian Ma , Jianshu Cao

The minimum driving force strategy is applied to promote the exciton dissociation in organic solar cells (OSCs) without significant loss of open-circuit voltage. However, this strategy tends to promote F\"orster resonance energy transfer…

Forster-type nonradiative energy transfer (NRET) is widely used, especially utilizing nanostructures in different combinations and configurations. However, the existing well-accepted Forster theory is only for the case of a single particle…

介观与纳米尺度物理 · 物理学 2013-06-06 P. L. Hernandez-Martinez , A. O. Govorov , H. V. Demir

The high density of evanescent modes in the vicinity of a metal leads to enhancement of the near-field F\"{o}rster resonant energy transfer (FRET) rate. We present a classical approach to calculate the FRET rate based on the dyadic Green's…

介观与纳米尺度物理 · 物理学 2016-03-01 Amrit Poudel , Xin Chen , Mark A. Ratner

One way for solar cell efficiencies to overcome the Shockley-Queisser limit is downconversion of high-energy photons using singlet fission (SF) in polyacenes like tetracene (Tc). SF enables generation of multiple excitons from the…

应用物理 · 物理学 2018-01-31 S. W. Tabernig , B. Daiber , T. Wang , B. Ehrler

Nanophotonics achieves accurate control over the luminescence properties of a single quantum emitter by tailoring the light-matter interaction at the nanoscale and modifying the local density of optical states (LDOS). This paradigm could…

This thesis looks at the electronic energy transfer in the Fenna-Matthews-Olson complex, in which evidence of long-lived coherence has been observed in 2-dimensional infrared experiments. I use three techniques: the numerically exact…

化学物理 · 物理学 2015-03-12 David M. Wilkins

The near-field spectroscopic information is critically important to determine the Forster resonant energy transfer(FRET) rate and the distance dependence in the vicinity of metal surfaces. The high density of evanescent near-field modes in…

化学物理 · 物理学 2023-02-14 Changhao Meng , Xin Chen , Zhenghua An

We show that the quantum decoherence of Forster resonant energy transfer between two optically active molecules can be described by a spin-boson model. This allows us to give quantitative criteria, in terms of experimentally measurable…

量子物理 · 物理学 2007-05-23 Joel Gilmore , Ross H. McKenzie

The applications of Fluorescence resonance energy transfer (FRET) have expanded tremendously in the last 25 years, and the technique has become a staple technique in many biological and biophysical fields. FRET can be used as spectroscopic…

Electric-field-controlled F\"orster resonance energy transfer (FRET) between Rydberg helium (He) atoms and ground-state ammonia (NH$_3$) molecules has been studied at translational temperatures below 100 mK. The experiments were performed…

原子物理 · 物理学 2022-11-21 J. Zou , S. D. Hogan

F\"orster theory describes electronic exciton energy migration in molecular assemblies as an incoherent hopping process between donor and acceptor molecules. The rate is expressed in terms of the overlap integral between donor fluorescence…

化学物理 · 物理学 2018-10-17 Marco Schröter , Tõnu Pullerits , Oliver Kühn

Both spontaneous emission and resonant energy transfer can be enhanced significantly when the emitter is placed in the vicinity of metallic or crystal structures. This enhancement can be described using the electromagnetic Green tensor and…

光学 · 物理学 2022-07-27 Asaf Farhi , Aristide Dogariu

Fluorescence resonance energy transfer (FRET) from individual, dye-labeled RNA molecules confined in freely-diffusing attoliter-volume aqueous droplets is carefully compared to FRET from unconfined RNA in solution. The use of…

生物物理 · 物理学 2015-05-21 Sheema Rahmanseresht , Peker Milas , Kieran P. Ramos , Ben D. Gamari , Lori S. Goldner

Motivated by recent experiments on photon statistics from individual dye pairs planted on biomolecules and coupled by fluorescence resonance energy transfer (FRET), we show here that the FRET dynamics can be modelled by Gaussian random…

量子物理 · 物理学 2016-09-28 G. O. Ariunbold , G. S. Agarwal , Z. Wang , H. Walther , M. O. Scully